Cemented filling material with bionic structure and preparation method and application thereof

A cemented filling material with bionic structure, comprising a bionic honeycomb skeleton and cemented filling slurry, wherein the cemented filling slurry is poured in the bionic honeycomb skeleton;

• a side length of holes in a honeycomb unit in the bionic honeycomb skeleton is 24-60 mm, a spacing of adjacent honeycomb layers is 6.25-25 mm, and a diameter of a honeycomb bracket is 1.5 mm;
• and
• the cemented filling material is prepared from following raw materials in parts by mass:
• 300-500 parts of cement, 100-150 parts of fly ash, 400-500 parts of tailings, 400-500 parts of gangue powder, 0.5-1.0 part of wood nanofibers, 5-25 parts of water reducer, 5-30 parts of composite alkali activator, 50-100 parts of silica fume, and 300-500 parts of water.